!3-SPAN 连续梁,每跨10M,一共16个节点,15个单元,4个COMBIN14单元分布在4个支座上。截面是巨型截面
finish
/clear
/filname,model_beam,1
/units,si
/prep7
et,1,beam188
mp,ex,1,2.06e+11
mp,prxy,1,0.3
mp,alpx,1,0.00001
mp,dens,1,7800
mp,REFT,1,20
SECTYPE,1,BEAM,RECT,beam1,0
SECOFFSET, CENT
SECDATA,0.8,1,0,0,4,4,0,0,0,0 !beam188一些材料和截面设置
ET,2,combin14,,5 !XZ平面内的扭转
R,2,100000000,0,0,!刚度数值
N,1,0,0,0
N,6,10,0,0
N,11,20,0,0
N,16,30,0,0
FILL,1,6
FILL,6,11
FILL,11,16 !定义梁节点
TYPE,1
MAT,1
SECNUM,1
E,1,2
egen,15,1,1!定义梁单元
N,17,0,0,0
N,18,10,0,0
N,19,20,0,0
N,20,30,0,0 !定义COMBIN14单元的节点
D,1,UX,0
D,1,UY,0
D,1,UZ,0
D,1,rotx,0
D,6,UY,0
D,6,UZ,0
D,6,rotx,0
D,11,UY,0
D,11,UZ,0
D,11,rotx,0
D,16,UX,0
D,16,UY,0
D,16,UZ,0
D,16,rotx,0 !梁单元的支撑节点固接
D,17,all,0.0
D,18,all,0.0
D,19,all,0.0
D,20,all,0.0!COMBIN14单元的节点固接
模态分析 |